/*
 * Copyright (c) 2021, 2021, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package com.oracle.svm.hosted;

import java.util.Collections;
import java.util.List;
import java.util.Locale;
import java.util.ResourceBundle;

import org.graalvm.compiler.serviceprovider.JavaVersionUtil;
import org.graalvm.nativeimage.ImageSingletons;
import org.graalvm.nativeimage.hosted.Feature;

import com.oracle.svm.core.ClassLoaderSupport;
import com.oracle.svm.core.annotate.AutomaticFeature;

public final class ClassLoaderSupportImpl extends ClassLoaderSupport {

    private final ClassLoader imageClassLoader;

    ClassLoaderSupportImpl(NativeImageClassLoaderSupport classLoaderSupport) {
        this.imageClassLoader = classLoaderSupport.getClassLoader();
    }

    @Override
    protected boolean isNativeImageClassLoaderImpl(ClassLoader loader) {
        return loader == imageClassLoader || loader instanceof NativeImageSystemClassLoader;
    }

    @Override
    public List<ResourceBundle> getResourceBundle(String bundleName, Locale locale) {
        return Collections.singletonList(ResourceBundle.getBundle(bundleName, locale, imageClassLoader));
    }
}

@AutomaticFeature
class ClassLoaderSupportFeature implements Feature {
    @Override
    public boolean isInConfiguration(IsInConfigurationAccess access) {
        return JavaVersionUtil.JAVA_SPEC == 8;
    }

    @Override
    public void afterRegistration(AfterRegistrationAccess a) {
        FeatureImpl.AfterRegistrationAccessImpl access = (FeatureImpl.AfterRegistrationAccessImpl) a;
        ImageSingletons.add(ClassLoaderSupport.class, new ClassLoaderSupportImpl((NativeImageClassLoaderSupport) access.getImageClassLoader().classLoaderSupport));
    }
}
